I know there’s a big push to fuel our workouts and much of that focus is on carbohydrate. I’ve just started TB MV1 this week and some of my goals include weight loss through a modest calorie deficit and improving fat oxidation on longer rides. I did some gas exchange testing pre-COVID and I’m pretty…

I can’t offer much in the way of true science here but this is what I’ve learnt from reading and experimenting myself: as you’ve alluded to, what fuel source you use (at least in the short term) is more about intensity of the workout than how much of a certain fuel you have stored. If this wasn’t…

See some other topics here related to weight loss and fat burning [image] Advice for weight loss Nutrition Hello all Looking to loose some weight to improve my overall speed on the road. Im a heavy rider at 95kg and 6 foot 2. I wouldn’t mind being about 90kg as a new goa…

[image] FrankTuna: would eating some before aerobic rides possibly help improve fat oxidation? I can do 90-120mins z2 fasted generally but don’t like being hangry Best practices from what I’ve read: you can chase a marginal gain by doing the first 45-60 minutes fasted and then start eating …

Your body can’t really tell the difference between fat from foods and fat mobilized from your body’s stores, so it’s not going to have any effect on your fuel use. It might help keep you from feeling hangry, though, so if your GI system can handle it, why not?

General comment: all of the focus on becoming “fat adapted”, fasted training, etc., is completely misguided. Even the muscles of an untrained person are very good at using fat, at least at rest - the trick is convince them to keep doing so during exercise. The primary way you do that is to minimize …

[image] old_but_not_dead_yet: The primary way you do that is to minimize the shift to carbohydrate and the simple and pragmatic ways to do that are: not eating sugar/carbs before you ride keep force production low while on the ride

I don’t know of any evidence that the former makes any difference in the long run. Even training all the time when glycogen depleted doesn’t really seem to pay performance benefits. As for the latter, you can of course minimize carbohydrate use during a given workout by going easy… but that doesn’t…

@old_but_not_dead_yet has it right as far as I understand. Fat utilization is more a function of how much aerobic headroom you have rather than what your diet is. It all ends up going through the same chain at the end to turn into energy so it just comes down to do you have enough headroom for your …

[image] ErickVH: higher intensity that is still in your aerobic zone How do you determine this?

To do it ‘perfect’ you go get lab tested. In reality just ride hard enough that your breath starts to elevate a little above ‘recovery’ then hold that for 3+ hours. It’s ‘good enough’.

Will eating some fat before Z2 rides help fat oxidation during?

Training

onemanpeloton October 16, 2020, 3:27pm 3

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Will eating some fat before Z2 rides help fat oxidation during?

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